CaratHunter
Plans
Marquise|Lab Grown|IGI

3.14ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754594327

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754594327

Diamond specifications and retailer prices

From $4,297 SGD
$3,361 USD
As of October 30, 2026
Save $25,260 SGD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $29,557 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.14ct lab-grown marquise diamond

This 3.14ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754594327 or 754594327. Listed at 18 retailers as of October 30, 2026, with prices from $4,297 to $29,557, a $25,260 spread on the same certified stone. Do Amore Diamonds lists it at $29,557. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.14
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594327
Dimensions14.33 × 7.54 × 4.89 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
14.33 mm7.54 mm3.14 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594327
Side View
Table 61.0%Crown 37.1°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 64.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $29,557 SGD|Low: $4,297 SGD|High: $31,180 SGD|Avg: $10,451 SGD|-5.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 16$4,297 SGD
Retailer 17$4,436 SGD
Retailer 14$4,717 SGD
Retailer 8$4,836 SGD
Retailer 18$5,184 SGD
Retailer 11$6,047 SGD
Retailer 2$6,545 SGD
Retailer 4$6,874 SGD
Retailer 13$6,874 SGD
Retailer 7$7,999 SGD
Retailer 5$9,173 SGD
Retailer 6$9,390 SGD
Retailer 19$11,846 SGD
Retailer 15$12,528 SGD
Retailer 10$13,256 SGD
Retailer 9$13,312 SGD
Retailer 3$13,652 SGD
Retailer 12$21,032 SGD
Do Amore Diamonds$29,557 SGD

32 data points across 19 retailers

18 retailers$4,297 SGD to $29,557 SGD

A
Cheapest Retailer
-
$4,297 SGD
$3,361 USD
A
Retailer 2
-
$4,436 SGD
$3,470 USD
View
A
Retailer 3
-
$4,717 SGD
$3,690 USD
View
A
Retailer 4
-
$4,836 SGD
$3,783 USD
View
A
Retailer 5
-
$5,184 SGD
$4,055 USD
View
Retailer 6
-
$6,047 SGD
$4,730 USD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$6,545 SGD
£4,032 GBP
View
A
Retailer 8
-
$6,874 SGD
$5,377 USD
View
A
Retailer 9
-
$6,874 SGD
$5,377 USD
View
B+
Retailer 10
-
$7,999 SGD
$6,257 USD
View
B+
Retailer 11
-
$9,173 SGD
$7,175 USD
View
B+
Retailer 12
-
$9,390 SGD
€6,995 EUR
View
B+
Retailer 13
-
$11,846 SGD
£7,296 GBP
View
B+
Retailer 14
-
$12,528 SGD
$9,800 USD
View
Retailer 15
-
$13,312 SGD
A$16,020 AUD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
$13,652 SGD
$10,679 USD
View
B
Retailer 17
-
$21,032 SGD
A$25,311 AUD
View
Most Expensive
B
Do Amore Diamonds
27-31E039256 · Oct 31
$29,557 SGD
$23,120 USD
View
17 more retailers have this diamond
Prices start from $4,297 SGDSave up to $25,260 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.14ct Marquise
$4,297 SGD